CN108720843A - Visual pH electrode catheters - Google Patents

Visual pH electrode catheters Download PDF

Info

Publication number
CN108720843A
CN108720843A CN201810729089.3A CN201810729089A CN108720843A CN 108720843 A CN108720843 A CN 108720843A CN 201810729089 A CN201810729089 A CN 201810729089A CN 108720843 A CN108720843 A CN 108720843A
Authority
CN
China
Prior art keywords
electrode
catheter body
connector
visual
camera
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810729089.3A
Other languages
Chinese (zh)
Other versions
CN108720843B (en
Inventor
黎进
张富皇
刘江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Jinshan Medical Technology Research Institute Co Ltd
Original Assignee
Chongqing Jinshan Medical Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Jinshan Medical Appliance Co Ltd filed Critical Chongqing Jinshan Medical Appliance Co Ltd
Priority to CN201810729089.3A priority Critical patent/CN108720843B/en
Publication of CN108720843A publication Critical patent/CN108720843A/en
Application granted granted Critical
Publication of CN108720843B publication Critical patent/CN108720843B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14503Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue invasive, e.g. introduced into the body by a catheter or needle or using implanted sensors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005Flexible endoscopes
    • A61B1/0051Flexible endoscopes with controlled bending of insertion part
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0538Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14539Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring pH

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)

Abstract

The present invention provides a kind of visual pH electrode catheters, belong to the field of medical instrument technology.It is unreasonable that it solves existing visual electrode catheter structure design, the problem of being unable to free bend.This visual pH electrode catheter, reference electrode and antimony electrode including catheter body, in catheter body, the conducting wire one for stretching into catheter body is connected on reference electrode, the conducting wire two for stretching into catheter body is connected on antimony electrode, the front end of catheter body is connected with the connector for fixing reference electrode, the front end of connector is equipped with camera, and the output end of camera is connected with the conducting wire four for stretching into catheter body, and the connection structure being bent with the shape is equipped between camera and connector.Structure of the invention compact and reasonable, may be implemented flexible bending between camera and reference electrode so that entire electrode catheter is able to the free bend in nasal cavity and esophagus.

Description

Visual pH electrode catheters
Technical field
The invention belongs to the field of medical instrument technology, are related to a kind of visual pH electrode catheters.
Background technology
Esophageal reflux monitoring at present can only lean on esophageal pH, impedance and pressure and other parameters to reflect patient's Oesophageal physiological situation, But clinically the observation for the physical characters that backflow and when backflowing the folding condition observation of cardia have more and more eager face Bed demand.
For this purpose, Chinese patent discloses a kind of visual esophagus impedance pH value monitoring device, [Authorization Notice No. is CN205031258U], including medical catheter, pH sensors and impedance transducer, further include camera and data logger, pH is passed Sensor and camera may be contained within medical catheter and probe into end front, and when work, pH sensors are located at accurate check bit in esophagus It sets and medical catheter probes into end top and is not deep into inside stomach, the output end of pH sensors, impedance transducer and camera is logical The conducting wire crossed in medical catheter is connected to the corresponding data input pin of data logger, and graduated scale is provided on medical catheter.
Cardia opens closed when the detection device can observe the character for the substance that backflows and gastroesophageal reflux occurs in real time, But there are still problems with for it:Camera is set to the side of medical catheter, increases the cross-sectional area at this, is not easy when detecting Into human body;The outside of camera has trapezoidal enclosure, is made of hard material, so that sick body is generated bad impression, while outer Shell have certain length, cannot in nasal cavity or esophagus free bend.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of reasonable in design visual PH electrode catheters.
Object of the invention can be realized by the following technical scheme:
Visual pH electrode catheters, including catheter body, reference electrode and antimony electrode in catheter body, the ginseng The conducting wire one of catheter body is stretched into than being connected on electrode, and the conducting wire two for stretching into catheter body is connected on the antimony electrode, It is characterized in that, the front end of the catheter body is connected with the connector for fixing reference electrode, the front end of the connector Equipped with camera, the output end of the camera is connected with the conducting wire four for stretching into catheter body, the camera and connector Between be equipped with the connection structure that is bent with the shape.
Reference electrode is connect by conducting wire one with the corresponding data input terminal of the data logger positioned at catheter body rear end, Antimony electrode is connect by conducting wire two with the corresponding data input terminal of the data logger positioned at catheter body rear end, and camera passes through Conducting wire four is connect with the corresponding data input terminal of the data logger positioned at catheter body rear end.Scale is equipped in catheter body Ruler, so that doctor holds the specific depth of insertion sick body.
In above-mentioned visual pH electrode catheters, the connection structure includes connecting conduit, and the camera is set to The front end of connecting conduit, the conducting wire four are arranged in connecting conduit, and the rear end of the connecting conduit is connect with connector.Even Connecing conduit and catheter body has profile-followed flexural property, connector and camera is separated, obtaining can between camera and reference electrode To realize flexible bending so that entire electrode catheter is able to the free bend in nasal cavity and esophagus.
In above-mentioned visual pH electrode catheters, the outside of the camera is columned shell, before the shell End is equipped with the optics protecgulum in spherical arc shape structure, the front end sleeve of the connecting conduit be set to the rear end of shell and with shell tight fit The front end of connection, the connector has cylindrical interconnecting piece, and the rear end of the connecting conduit is sheathed on interconnecting piece simultaneously With interconnecting piece tight fit connection.It, can be in interconnecting piece and connecting conduit in order to ensure stability that interconnecting piece is connect with connecting conduit Between coating glue.Connecting conduit fully wrapped around firmly shell, connecting conduit are extended into the connection of optics protecgulum and shell The shell at place, camera extends along the length direction of connecting conduit.
In above-mentioned visual pH electrode catheters, the connector is cylindrical and is coaxially disposed with interconnecting piece, described The rear end of connector has connecting hole, and the front end of the catheter body is connected in connecting hole, have in the connector with The through-hole of connecting hole connection, the conducting wire four are arranged in through-hole.Catheter body can be by way of interference fit and connection Hole connects, to ensure the stability of connection, can coating glue therebetween, or squeeze into rivet from the side of connector and make it It is riveted together.In connection, first by the front end radial contraction of catheter body, so as to effectively reduce the outer diameter of connector.
In above-mentioned visual pH electrode catheters, the front end of the connecting hole has axially extending installation shrinkage pool, described There is the side opening one being connected to installation shrinkage pool, the reference electrode to be set in installation shrinkage pool for the side of connector, the company Seal assembly is equipped between junctor and reference electrode.Side opening one can be such that reference electrode is contacted with fluid to be measured.
In above-mentioned visual pH electrode catheters, the seal assembly includes the glue sealing for being set to installation shrinkage pool rear end. Reference electrode is equipped with installation shrinkage pool, and the length of reference electrode is less than the length of installation shrinkage pool, and reference electrode is put into peace After filling in shrinkage pool, is sealed by way of envelope fills glue and fix reference electrode, fluid to be measured can be effectively prevent to enter.
In above-mentioned visual pH electrode catheters, there is the diversion being equipped with side opening one on the reference electrode Core, the diversion core stretch into side opening one.Diversion core can limit the axial movement of reference electrode, improve the stabilization of reference electrode Property.
In above-mentioned visual pH electrode catheters, several impedance rings, the impedance are arranged in the catheter body The conducting wire three for stretching into catheter body is connected on ring.
In above-mentioned visual pH electrode catheters, there is side opening two, the antimony electrode to wear in the catheter body In side opening two, the fixed structure for fixing antimony electrode is additionally provided in the catheter body.
In above-mentioned visual pH electrode catheters, the fixed structure includes the fixed ring being sheathed in catheter body, There is the side opening three being coaxially disposed with side opening two, the head end of the antimony electrode to be fixed by way of glue envelope in the fixed ring In side opening three.
Wherein, fixed ring can be the impedance ring that conducting wire three is not arranged for one of them.When installation, which is fixed to In catheter body, side opening three is made to be aligned with side opening two, antimony electrode is penetrated into side opening two and side opening three, by the head end of antimony electrode It is fixed in side opening three by way of glue envelope.Impedance ring is made of metal material, and is only sealed by a glue, to antimony electrode Be fixed conveniently quick, and stability is good.After using impedance ring as fixed ring, can effectively reduce antimony electrode installation site cannot The length of bending.
Compared with prior art, this visual pH electrode catheter has the following advantages:
Camera is inserted into the softer connecting conduit of quality, had both solved the problems, such as that camera installation was fixed, while Overcome the bad impression caused by the tactile sick body of camera shell too firm docking;Conducting wire four is penetrated into connector, camera can be made It furthers at a distance from reference electrode, and has enough deflection distances between camera and reference electrode when energy so that entire electrode Conduit is able to the free bend in nasal cavity and esophagus.
Description of the drawings
Fig. 1 is the exploded perspective view of preferred embodiment provided by the invention.
Fig. 2 is sectional view when preferred embodiment provided by the invention is unassembled.
Fig. 3 is preferred embodiment provided by the invention sectional view when assembled.
Fig. 4 is the sectional view of connector provided by the invention.
In figure, 1, catheter body;2, reference electrode;3, antimony electrode;4, impedance ring;5, connector;6, camera;7, it connects Conduit;8, interconnecting piece;9, connecting hole;10, through-hole;11, shrinkage pool is installed;12, side opening one;13, glue sealing;14, diversion core;15, Side opening two;16, side opening three;17, fixed ring.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
Visual pH electrode catheters as shown in Figs. 1-3, including catheter body 1, be set to catheter body 1 on reference electrode 2, Antimony electrode 3 and impedance ring 4 are connected with the conducting wire one for stretching into catheter body 1 on reference electrode 2, are connected with to stretch on antimony electrode 3 and lead The conducting wire two of tube body 1, the conducting wire three for stretching into catheter body 1 is connected on impedance ring 4, and the front end connection of catheter body 1 is useful It is equipped with camera 6 in the front end of the connector 5 of fixed reference electrode 2, connector 5, the output end of camera 6 is connected with to stretch into and lead The conducting wire four of tube body 1 is equipped with the connection structure being bent with the shape between camera 6 and connector 5.
Reference electrode 2 is connected by conducting wire one and the corresponding data input terminal of the data logger positioned at 1 rear end of catheter body It connects, antimony electrode 3 is connect by conducting wire two with the corresponding data input terminal of the data logger positioned at 1 rear end of catheter body, impedance Ring 4 is connect by conducting wire three with the corresponding data input terminal of the data logger positioned at 1 rear end of catheter body, and camera 6 passes through Conducting wire four is connect with the corresponding data input terminal of the data logger positioned at 1 rear end of catheter body.It is equipped with and carves in catheter body 1 Ruler is spent, so that doctor holds the specific depth of insertion sick body.
As depicted in figs. 1 and 2, connection structure includes connecting conduit 7, and camera 6 is set to the front end of connecting conduit 7, conducting wire Four are arranged in connecting conduit 7, and the rear end of connecting conduit 7 is connect with connector 5.Connecting conduit 7 has profile-followed with catheter body 1 Flexural property separates connector 5 and camera 6, obtains and flexible bending may be implemented between camera 6 and reference electrode 2 so that is whole A electrode catheter is able to the free bend in nasal cavity and esophagus.
In the present embodiment, the outside of camera 6 is columned shell, and the front end of shell is equipped with the light in spherical arc shape structure Learn protecgulum, the front end sleeve of connecting conduit 7 be set to the rear end of shell and with shell tight fit connection, the front end of connector 5, which has, is in The rear end of columned interconnecting piece 8, connecting conduit 7 be sheathed on interconnecting piece 8 and with 8 tight fit connection of interconnecting piece.In order to ensure The stability that interconnecting piece 8 is connect with connecting conduit 7, can between interconnecting piece 8 and connecting conduit 7 coating glue.Connection should be led Pipe 7 fully wrapped around firmly shell, connecting conduit 7 extend to the junction of optics protecgulum and shell.
As depicted in figs. 1 and 2, connector 5 is cylindrical and is coaxially disposed with interconnecting piece 8, and the rear end of connector 5, which has, to be connected Hole 9 is connect, the front end of catheter body 1 is connected in connecting hole 9, has the through-hole 10 being connected to connecting hole 9, conducting wire in connector 5 Four are arranged in through-hole 10.Catheter body 1 can be connect by way of interference fit with connecting hole 9, to ensure the stabilization of connection Property, can coating glue therebetween, or squeezing into rivet from the side of connector 5 makes it be riveted together.In connection, first By the front end radial contraction of catheter body 1, so as to effectively reduce the outer diameter of connector 5.
The size Control of connector 5 can smoothly enter into the size in human stomach-esophagus, catheter body 1 is being inscribed in The rear end of connector 5 can reduce the diameter of catheter body 1, walk in human stomach-esophagus convenient for catheter body 1, reduce people's Sense of discomfort.
As shown in Fig. 2, there is axially extending installation shrinkage pool 11, the side of connector 5 to have and peace for the front end of connecting hole 9 The side opening 1 that shrinkage pool 11 is connected to is filled, reference electrode 2 is set in installation shrinkage pool 11, is equipped between connector 5 and reference electrode 2 close Sealing assembly, side opening 1 can be such that reference electrode 2 is contacted with fluid to be measured.The relationship of shrinkage pool 11 and through-hole 10 is installed as shown in figure 4, Be equivalent to and opened up there are one axially grooved in the side of reference electrode 2, directly by conducting wire four be set to this it is axially grooved in, effectively subtract Sectional area is lacked, has been entered in human stomach-esophagus convenient for connector 5.
As shown in figure 3, seal assembly includes the glue sealing 13 for being set to 11 rear end of installation shrinkage pool.Reference electrode 2 and installation are recessed Hole 11 is equipped with, and the length of reference electrode 2 is less than the length of installation shrinkage pool 11, and reference electrode 2 is put into installation shrinkage pool 11 Afterwards, it is sealed by way of envelope fills glue and fixes reference electrode 2, fluid to be measured can be effectively prevent to enter.
As shown in figure 3, having the diversion core 14 being equipped with side opening 1 on reference electrode 2, diversion core 14 stretches into side In hole 1.Diversion core 14 can limit the axial movement of reference electrode 2, improve the stability of reference electrode 2.
In the present embodiment, impedance ring 4 be several and be distributed in catheter body 1 probe into end front;Have in catheter body 1 Side opening 2 15, antimony electrode 3 are threaded through in side opening 2 15, and the fixed structure for fixing antimony electrode 3 is additionally provided in catheter body 1.
As shown in figure 3, fixed structure includes the fixed ring 17 being sheathed in catheter body 1, have in fixed ring 17 and side The head end of the side opening 3 16 that hole 2 15 is coaxially disposed, antimony electrode 3 is fixed on by way of glue envelope in side opening 3 16.
As shown in figure 3, fixed ring 17 is the impedance ring that conducting wire three is not arranged for one of them.When installation, which is consolidated Determine onto catheter body 1, so that side opening 3 16 is aligned with side opening 2 15, antimony electrode 3 is penetrated into side opening 2 15 and side opening 3 16, The head end of antimony electrode 3 is fixed on by way of glue envelope in side opening 3 16.Impedance ring is made of metal material, and is only passed through Glue envelope, it is quick to being fixed conveniently for antimony electrode 3, and also stability is good.After using impedance ring as fixed ring, it can effectively reduce The unyielding length of 3 installation site of antimony electrode.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (10)

1. a kind of visual pH electrode catheters, including catheter body (1), the reference electrode (2) in catheter body (1) and antimony electricity Pole (3) is connected with the conducting wire one for stretching into catheter body (1) on the reference electrode (2), and the antimony electrode connects on (3) There is the conducting wire two for stretching into catheter body (1), which is characterized in that the front end of the catheter body (1) is connected with for fixing reference The front end of the connector (5) of electrode (2), the connector (5) is equipped with camera (6), and the output end of the camera (6) connects There is the conducting wire four for stretching into catheter body (1), the connection knot being bent with the shape is equipped between the camera (6) and connector (5) Structure.
2. visual pH electrode catheters according to claim 1, which is characterized in that the connection structure includes connecting conduit (7), the camera (6) is set to the front end of connecting conduit (7), and the conducting wire four is arranged in connecting conduit (7), described The rear end of connecting conduit (7) is connect with connector (5).
3. visual pH electrode catheters according to claim 2, which is characterized in that the outside of the camera (6) is cylinder The shell of shape, the front end of the shell are equipped with the optics protecgulum in spherical arc shape structure, and the front end sleeve of the connecting conduit (7) is set to The rear end of shell and with shell tight fit connection, the front end of the connector (5) has cylindrical interconnecting piece (8), described The rear end of connecting conduit (7) be sheathed on interconnecting piece (8) and with interconnecting piece (8) tight fit connection.
4. visual pH electrode catheters according to claim 3, which is characterized in that the connector (5) it is cylindrical and It is coaxially disposed with interconnecting piece (8), there is connecting hole (9), the front end of the catheter body (1) to connect for the rear end of the connector (5) It is connected in connecting hole (9), there is the through-hole (10) being connected to connecting hole (9), the conducting wire four to wear in the connector (5) In through-hole (10).
5. visual pH electrode catheters according to claim 4, which is characterized in that the front end of the connecting hole (9) has axis To the installation shrinkage pool (11) of extension, the side of the connector (5) has the side opening one (12) being connected to installation shrinkage pool (11), institute The reference electrode (2) stated is set in installation shrinkage pool (11), and sealing group is equipped between the connector (5) and reference electrode (2) Part.
6. visual pH electrode catheters according to claim 5, which is characterized in that the seal assembly includes being set to installation The glue sealing (13) of shrinkage pool (11) rear end.
7. visual pH electrode catheters according to claim 5 or 6, which is characterized in that have on the reference electrode (2) The diversion core (14) being equipped with side opening one (12), the diversion core (14) stretch into side opening one (12).
8. the visual pH electrode catheters according to claims 1 or 2 or 3 or 4 or 5 or 6, which is characterized in that the conduit It is arranged with several impedance rings (4) on ontology (1), the conducting wire three for stretching into catheter body (1) is connected on the impedance ring (4).
9. the visual pH electrode catheters according to claims 1 or 2 or 3 or 4 or 5 or 6, which is characterized in that the conduit There is side opening two (15), the antimony electrode (3) is threaded through in side opening two (15), in the catheter body (1) on ontology (1) It is additionally provided with the fixed structure for fixing antimony electrode (3).
10. visual pH electrode catheters according to claim 9, which is characterized in that the fixed structure includes being sheathed on Fixed ring (17) in catheter body (1) has the side opening three being coaxially disposed with side opening two (15) in the fixed ring (17) (16), the head end of the antimony electrode (3) is fixed on by way of glue envelope in side opening three (16).
CN201810729089.3A 2018-07-05 2018-07-05 Visual pH electrode catheter Active CN108720843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810729089.3A CN108720843B (en) 2018-07-05 2018-07-05 Visual pH electrode catheter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810729089.3A CN108720843B (en) 2018-07-05 2018-07-05 Visual pH electrode catheter

Publications (2)

Publication Number Publication Date
CN108720843A true CN108720843A (en) 2018-11-02
CN108720843B CN108720843B (en) 2024-05-24

Family

ID=63926326

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810729089.3A Active CN108720843B (en) 2018-07-05 2018-07-05 Visual pH electrode catheter

Country Status (1)

Country Link
CN (1) CN108720843B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110584668A (en) * 2019-10-24 2019-12-20 重庆金山科技(集团)有限公司 impedance-pH electrode catheter

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166020A (en) * 1977-05-14 1979-08-28 Pfaudler-Werke A.G. Measuring probe to determine the ion concentration in liquids
US20140005521A1 (en) * 2010-11-18 2014-01-02 Koninklijke Philips Electronics N.V. Catheter comprising capacitive micromachined ultrasonic transducers with an adjustable focus
CN204521887U (en) * 2015-03-05 2015-08-05 余德林 A kind of tracheal intubation visible component
CN204671107U (en) * 2015-04-22 2015-09-30 刘戡来 A kind of can the gastroscope of multi-angle observation
CN205031258U (en) * 2015-09-25 2016-02-17 重庆金山科技(集团)有限公司 Visual esophagus impedance pH value monitoring devices
CN105708422A (en) * 2016-04-25 2016-06-29 重庆金山科技(集团)有限公司 Medical electrode catheter
CN107752983A (en) * 2017-11-14 2018-03-06 重庆金山医疗器械有限公司 A kind of new medical pH electrode catheters
CN208926381U (en) * 2018-07-05 2019-06-04 重庆金山医疗器械有限公司 Medical visual pH electrode catheter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4166020A (en) * 1977-05-14 1979-08-28 Pfaudler-Werke A.G. Measuring probe to determine the ion concentration in liquids
US20140005521A1 (en) * 2010-11-18 2014-01-02 Koninklijke Philips Electronics N.V. Catheter comprising capacitive micromachined ultrasonic transducers with an adjustable focus
CN204521887U (en) * 2015-03-05 2015-08-05 余德林 A kind of tracheal intubation visible component
CN204671107U (en) * 2015-04-22 2015-09-30 刘戡来 A kind of can the gastroscope of multi-angle observation
CN205031258U (en) * 2015-09-25 2016-02-17 重庆金山科技(集团)有限公司 Visual esophagus impedance pH value monitoring devices
CN105708422A (en) * 2016-04-25 2016-06-29 重庆金山科技(集团)有限公司 Medical electrode catheter
CN107752983A (en) * 2017-11-14 2018-03-06 重庆金山医疗器械有限公司 A kind of new medical pH electrode catheters
CN208926381U (en) * 2018-07-05 2019-06-04 重庆金山医疗器械有限公司 Medical visual pH electrode catheter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110584668A (en) * 2019-10-24 2019-12-20 重庆金山科技(集团)有限公司 impedance-pH electrode catheter

Also Published As

Publication number Publication date
CN108720843B (en) 2024-05-24

Similar Documents

Publication Publication Date Title
US4836214A (en) Esophageal electrode array for electrical bioimpedance measurement
JPH0344783B2 (en)
CN108720843A (en) Visual pH electrode catheters
CN208926381U (en) Medical visual pH electrode catheter
CN101548877B (en) Multifunctional diaphragmatic muscle signal detection duct
US20120136339A1 (en) Protective sleeve for a catheter
CN200987823Y (en) Enhanced tracheal cannula
CN106308920A (en) Ablation catheter
CN206576864U (en) A kind of myoelectricity pin
CN212489906U (en) Urine power piezometer pipe
US5398687A (en) Methods for measuring motility within the biliary tract and instrumentation useful therefor
CN201076448Y (en) Capsule disposable aid appliance for oesophagoscopy
CN105769188B (en) Myoelectricity telescopic electrode with fixed band
CN210130827U (en) High-speed recorder for hydrocephalus
CN209500306U (en) A kind of stomach tube of forcing
CN206434633U (en) Novel peritoneum dialysis tubing
CN211245076U (en) Pressure positioning conduit assembly
CN104771162A (en) Heart electricity information mapping electrode
CN204671152U (en) Heart electrical information mapping electrodes
CN213910207U (en) Intussusception sensor pipeline device
CN210784261U (en) Esophagus electromyogram detection probe based on gastroscope
CN107126194A (en) The probe that a kind of anal-surgery is used
CN100544674C (en) The novel probe that is used for probing sinus tract and fistula
CN210749188U (en) Differential pressure measurement catheter assembly
CN215306051U (en) External-placing medical stethoscope

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20210908

Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing

Applicant after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd.

Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing.

Applicant before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd.

GR01 Patent grant
GR01 Patent grant